





Blaupunkt Hamburg SQM 23 DAB Radio Bluetooth USB Retro Car Stereo 80s Classic
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Hamburg SQM 23 DAB
New edition of the classic “HAMBURG SQM 23” from the 80s (from 1983) with the latest technology and many new features!
The newly released cult car radio “HAMBURG SQM 23 DAB”
Ideal for vehicles from the 80s!!
Over the years, some models have developed into true cult objects. This also applies to the legendary Blaupunkt “Hamburg SQM 23” from 1983. Now we present the new interpretation of the popular 1-DIN car radio and combine the design of the 80s model with new technologies and functions. The result is the Blaupunkt “Hamburg SQM 23 DAB”.
- CODEM IV High-End Tuner
- Blaupunkt DAB+ Tuner
- 2x USB (front + rear)
- BT telephony over int. or ext. microphone
- Audio streaming with title display
- Access to voice assistants (Siri, Google, Alexa)
- Sound presets: Flat/Pop/Rock/Classic
- 4-channel preamp output + sub-out
- 4 × 50 Watt
- Multicolour (7 colors) display
Its operating concept, simple design and crystal-clear reception contributed significantly to the popularity of the original Hamburg car radio. For the new edition, we adopted the styling of the original model, but at the same time gave the radio modern multicolor lighting for the LC display. The key labels, which were then still illuminated with light bulbs, are now being replaced by modern and durable warm white LEDs. This lighting can also be activated via the vehicle lighting when the car radio is switched off.
Thanks to the Blaupunkt Codem FM RDS tuner and DAB+ digital tuner, first-class reception remains a strength of the new Youngtimer car radio. New are the multimedia interfaces for modern Apple® devices and USB mass storage media for playing music or charging mobile phones. The new model also supports Bluetooth® audio streaming from apps such as a music player or streaming service such as Spotify on the mobile phone.
With the help of the voice assistant on the mobile phone (such as Siri, Google or Alexa) the mobile phone can be accessed without having to pick it up. Of course, hands-free calling is also supported.
So that an audio source such as USB, Apple iPod or Bluetooth can be selected directly, a button on the device can be programmed via the menu to start your favorite source. The device settings are permanently saved, even if the battery is disconnected – even if this is no longer necessary thanks to the minimized standby power consumption to protect the battery.
The new “Hamburg SQM 23 DAB” has a short installation depth – ideal for classic cars with shortened installation shafts. But it’s not just the car radio itself that takes the user on a journey through time, the packaging of the device was also elaborately designed and modeled on the original.

Specification
| World Tuner (switchable) | EU, USA, South America, Thailand |
|---|---|
| Frequency bands | FM, AM, DAB, DAB+ |
| Frequency band FM | 87.5 – 108 MHz |
| Frequency band MW | 531- 1602/ 530- 1710 kHz |
| Channels | (frequency band) DAB/ DAB+ 5A- 13F (174,928- 239,200 MHz) |
| Station memory | 15x FM, 10x AM, 15x DAB |
| Station memory banks | FM1, FM2, FMT, AM, AMT, DAB1, DAB2, DAB3 |
| Station memory levels deactivatable | FM2, FMT, AM, AMT, DAB2, DAB3 |
| Station display (PS) | Yes |
| Radiotext/ Radiotext Plus (RT/ RT+) | Yes/ No |
| Display | DLS/ ENSEMBLE/ SERVICE Yes/ Yes/ Yes |
| Alternate frequency function (AF) | Yes |
| Traffic Radio (TA) FM/ DAB | Yes/ Yes |
| Automatic time adjustment | Yes |
| Enhanced Other Networks (EON) | Yes |
| Regional function (REG) | Yes |
| Program type identifier (PTY)/ PTY Seek | Yes/No |
| Band Scan/ Preset Scan | Yes/ No |
| Sensitivity | (FM) Two levels (lo / dx) |
| Noise suppression (FM) | Yes |
| Hi-Cut (FM) | Yes (multi-level switchable) |
| DAB-DAB Service following | Yes |
| DAB-FM Service following | Yes |
| Service search | Yes |
| Ensemble/ Service selection | Yes/ Yes |
| Ensemble/ Service browsing | No/ Yes |
| Alphabetical Service list DAB | Yes |
| Frequency response | FM (Hz) – 3 dB 30 – 15.000 |
| Frequency response | DAB (Hz) +/- 3 dB 20 – 20.000 |
| AUX-IN/ automatic detection/ activation | No |
| USB front | yes (type A, recessed jack) |
| USB rear | yes (type A, cable) |
| Memory card reader | No |
| Concealed front inputs | Yes (USB usable with flap closed) |
| CD-/DVD-loader | No |
| Playback formats | MP2, MP3, WMA, APE, FLAC, AAC, MP4, WAV |
| Hi-Res Audio playback | No |
| Display | options ID3V2 (title, artist, album), folder, file, playtime |
| Folder & file browsing | Yes |
| Shuffle playback folder/ media | Yes/ Yes |
| Repeat Title/ Folder/ All | Yes/ Yes/ Yes |
| Introscan | Yes (4- 60 seconds adjustable) |
| Phone call | Yes |
| Internal microphone | Yes |
| Connectivity ext. microphone | Yes |
| Answer/ reject call | Yes/ Yes |
| Access phonebook | Yes (max. 1000 numbers) |
| Audio | streaming Yes |
| Audio | streaming ID3 track display Yes (Title, Artist, Album, Playtime) |
| Cell phone navigation audio mix | No |
| Auto wake-up on call | Yes (when radio off + ignition on), deactivatable |
| Fast pairing without PIN | Yes |
| Automatic reconnection | Yes, last 5 devices |
| Bluetooth | version 5.0, compatible with V4.2 and V2.1 +EDR |
| Number of paired devices | last 5 |
| Supported profiles | A2DP, AVRCP, HFP, SPP |
| Audio | Codecs AAC, SBC |
| Bass/ treble adjustment | Yes / yes (+/- 7 steps) |
| Source specific bass/ treble adjustment | Yes |
| Balance/ fader | Yes / yes (+/- 7 steps) |
| HPF/ LPF | No |
| Loudness | Yes |
| Sound Presets | Yes (Rock, Pop, Classic) |
| Speaker Outputs (Channels) | 4 |
| Preamp Outputs (Channels, Voltage) | 4 (RCA, < 2V) |
| Sub-Out | 2 (RCA, gain/ frequency variable) |
| Max. Power | 4 x 50 watts |
| Sine power at 14.4 V | 4 x 24 watts (according to DIN 45324) |
| Display | LCD, negative, anti-reflective, wide angle, alphanumeric/ symbols |
| Scrolling text | Yes (once, repeatedly) |
| Illumination color display | Green, yellow, red, violet, blue, skyblue, white |
| Illumination color keys | Amber, Modelled on original light bulb lighting |
| Day/ Night mode | Yes (manual/ via dimmer connection) |
| Nightdesign if powerd off | Yes (buttons) |
| Brightness | Multi-level, variable |
| Time display | Yes |
| HMI languages | English, German |
| 1 hour off timer if ACC off | Yes, deactivatable |
| Low standby current | Yes (< 3,5 mA ) |
| Antenna inputs | FM DIN/ ISO (Adaptor), DAB SMB (with 12 V phantom power) |
| Telephone mute | Yes |
| Ext. handsfree microphone connector | Yes, 2,5mm |
| Remote control | Yes (IR input for card remote and old RC-10 remote control) |
| Steering wheel remote control (SWC) | Yes (analog, programmable, pre-programmed) |
| Variable scan time | Yes (4, 8, 12, 60s) |
| Confirmation beep | Yes (deactivatable) |
| Control panel type | Fixed panel |
| Color panel/ decor ring | Black/ Black |
| Software Update | via USB |
| Permanent Memory | Yes (Settings & Presets) |
| Demo mode | Yes |
| Weight | approx. 0.65 kg |
| Dimensions | 50mm x 178mm x 116mm (H x W x D, housing only), 58mm x 187mm x 11mm (H x B x T , front w/o keys) |
| Operating voltage/ power consumption | 10.5 – 14.4 V/ < 10A in operation, 10 sec. after ACC power off: < 3.5 mA |
More specs
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What's Included
- Digital media receiver
- Power/ground harness
- Speaker harness
- Microphone
- 2 Removal keys
- User Manual
DAB Aerial NOT included
FAQs
Q: Will this stereo fit my car?
A: Most vehicles need a fascia panel, wiring harness and sometimes a steering wheel control interface to fit a new stereo. Contact CEN with your make, model and year and we will confirm the exact installation kit needed, or browse our Connects 2 installation kits.
Q: Will I keep my steering wheel controls?
A: Yes, in almost all cases. A steering wheel control interface retains your existing buttons with the new stereo. Parts are sold separately.
Q: Does this stereo support Apple CarPlay or Android Auto?
A: Check the Specification tab, which lists smartphone connectivity for each model including whether CarPlay and Android Auto are wired or wireless on that unit.
Q: What is the difference between single DIN and double DIN?
A: DIN refers to the chassis size. Single DIN units are the traditional slim format, while double DIN units are twice the height and typically carry a touchscreen. Your vehicle's dash aperture and fascia kit determine which fits.
Q: Can CEN supply and fit the stereo?
A: Yes. CEN offers professional supply and installation from our Nottingham premises, including fascia, wiring and steering control integration. Contact us for a fitted price.
About the brand
Blaupunkt
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