Harman/Kardon

HK 3700

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Harman Kardon HK 3700 stereo receiver

£399.99399.99 per system
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High-performance 170 watt stereo receiver with analog & digital capacity and networked connectivity.

High-performance stereo receiver with 170 watts of power, analogue and digital capacity and networked connectivity. Harman Kardon’s reputation for excellence in sound quality and distortion-free power just moved forward to embrace the best of both digital and analogue worlds. Discover 170 watts of power in a stereo receiver dedicated to complete connectivity for all your devices. The high-performance, Harman Kardon HK 3700 stereo receiver delivers everything you need to drive any home audio system. With analogue and digital connectivity, the HK 3700 delivers plenty of power and offers a built-in, 192 kHz/24-bit DAC. Connect to your home network via Ethernet, playing all your local content over DLNA 1.5 or connect a storage device or any Apple iOS device via USB. And, with built-in AM/FM radio and phono input, the HK 3700 eloquently bridges classic and modern audio. It is a truly powerful centrepiece for your home audio system – a happy collision of old school sound requirements to new school needs for complete connectivity. Enjoy your new entertainment headquarters – to the envy of all who see and hear it.

Item# HK 3700/230

General Specifications

Power Consumption less than 0.5W (standby)

Audio Specifications

Power per channel 85 watts per channel, two channels driven @ 6/8 ohms, 20Hz – 20kHz, less than 0.07% THD
Input Sensitivity/Impedance 250mV/27k ohms
Signal-to-Noise Ratio (IHF-A) 100dB
Frequency Response (@ 1W) 10Hz – 130kHz (+0dB/–3dB)

System Specifications

Power Requirement 120V AC/ 60Hz (USA); 220V-240V AC 50Hz/60Hz (EU)

Dimensions

Height (in) 4-3/4
Height (mm) 121
Width (in) 17-5/16
Width (mm) 440
Depth (in) 11-13/16
Depth (mm) 300
Click here for a complete list of all specs for this product

Spec Sheet (EN)

969 KB
  • 1 Harman Kardon HK 3700 System
  • 1 FM radio antenna
  • 1 6' (1.8m) region-specific IEC power cord
  • 2 AAA batteries
  • 1 AM antenna loop
  • 1 programmable remote control
HK 3700 is rated 4.4 out of 5 by 14.
Rated 5 out of 5 by from Nice features and very smooth nice HK sound. Nice features and very smooth nice HK sound. Love hooking it up to my phone via the Blue tooth ( optional ) and listening to it that way.
Date published: 2017-05-22
Rated 5 out of 5 by from Handles many components well I bought this along with 2 Studio 290 speakers and the set is terrific. Only problem is adjusting bass and treble levels.
Date published: 2017-05-15
Rated 5 out of 5 by from Replacement for unit purchased in 1969 I purchased a Harman Kardon amp in early 1969. It lost a channel in late 2016, which prompted this purchase. Excellent unit then and now.
Date published: 2017-04-07
Rated 5 out of 5 by from Great features! I got this for Christmas to replace an old 70's receiver. Surprisingly good sound. Pushes my 120 watt speakers with ease. Love having a remote and the display an extra bonus.
Date published: 2017-01-04
Rated 5 out of 5 by from Great for vinyl! Using this and a turntable for a trip down memory lane with vinyl. First remote they shipped had exploded batteries in it, but they shipped a new one with one phone call.
Date published: 2016-10-26
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How do I adjust bass, treble, and balance on the hk3700?

Asked by: yolohoog
Press the Tone Control button to access the bass and treble controls. Use the OK button to select an adjustment and use the Up/Down buttons to change the settings.
Answered by: Joe G at Customer Service
Date published: 2017-06-06

how do you hook up a turntable? on a avr 120 with only video jacks

Asked by: randy58
Unfortunately, the AVR 120 does not have phono inputs needed to connect turn tables directly. Unless your unit has a built-in pre-amp, you need to purchase an external phono pre-amp in order for your turn table to work with the AVR 120. If you need further assistance, please submit a case at www.harmankardon.com/contactus and the Customer Service team will be more than happy to further assist you.
Answered by: Ron at Customer Service
Date published: 2017-05-25

Where can I get more information on how to use the remote, some problems are not being able to turn the HK 3700 on or off, the remote will not let me skip a song on Ipod setting, nor can I adjust tones. Am I missing something here ? Further instructions ?

Asked by: Rickplayer
Thanks for your inquiry on the HK 3700. Instruction on how to use the remote control can be found on pages 13-15 of the owner's manual, which can be download at which could be downloaded from http://www.harmanaudio.com/harman-kardon/HK+3700.html. If you need further assistance please submit a case at www.harmankardon.com/contactus and Customer Service will happily assist you.
Answered by: Ron at Customer Service
Date published: 2017-04-28

1. Is this receiver able to play from my spotify library? If yes, how? Through my phone/tablet, or stream directly from Spotify server? 2. What do I loose with no optical inputs just analog only? DAC will solve, but what "extra" do I loose?

Asked by: grindlock
So reciever can not contatct to Spotify, but I should plug with eg. my phone with analog cable?
Answered by: grindlock
Date published: 2017-03-30

Too bad the USB capability is so limited. If the USB supported standard audio USB drivers so I could use it for input from my computer system I would have bought one of these.

Asked by: todji
I can play from my laptop through the DLNA Interface. Works great. 
Answered by: Jeff Alan
Date published: 2017-03-29

How will this device work with a set of Daulquist DQ 10's?

Asked by: Mouse
The HK 3700 can drive power of up to 85W at 8-ohms. While the Dahlquist DQ10 can handle power up to 200W at 8-ohms. It will work fine, but the HK 3700 may not have enough power to drive the speaker’s full potential.
Answered by: Miko at Customer Service
Date published: 2017-03-15

Does the volume automatically switch off when headphones are connected or also need to switch speaker 1 and 2 channelid?

Asked by: FARA
Hi, yes, the normal speakerchannels deactivate when you connect a headphone. When you disconnect the headphone, the normal channels will activate again
Answered by: Kay Harman
Date published: 2017-02-17

Can you switch the a and b speakers by using the receiver or do you have to use the remote?

Asked by: 830alex
No. You can only switch or toggle the speakers using the remote control for the HK3700.
Answered by: Ren at Customer Service
Date published: 2017-05-08
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