Marantz 2238

 

The Marantz 2238 was introduced in 1976 and retailed for around $360. As the model number implies it produces 38 watts per channel at 8 ohms. It's a 2 channel solid state receiver in the mid range of the Marantz offerings. It also has the classic Marantz styling with the silver face plate and gyro touch tuning wheel.

 

Marantz 2238

 

The WC-122 wood case was also an option with the 2238. It measures 17 5/16 x 5 3/8 x 14 3/8 and weighs in at just over 26 pounds.

 

Marantz 2238 Meters

 

The Marantz 2238 is a Direct Coupled design which provides wide power bandwidth, excellent low frequency response and superior damping. It also incorporates a highly sensitive dual gate MOSFET FM front end and Phase Locked Loop (PLL) FM stereo demodulator. These result in low distortion levels, superior noise reduction and excellent stereo separation.

 

Marantz 2238 Knobs

 

The 2238 has three tone controls, one each for Bass, Treble and Mid. They are based on a Baxandall negative feedback circuit. This circuit design allows for more specific control over a narrower band of frequencies. In other words it can boost or cut the highest range of bass or treble without affecting the mid range frequencies. The user can then adjust the Mid control without affecting the highest and lowest bass and treble frequencies. That way you can adjust your Marantz to fit your speakers and other acoustic factors.

 

Marantz 2238 Back

 

Other Marantz offerings for the model year were the 2252, 2226 and 2216. The 2238 fit in at the higher end of the midrange. It's 0.1% Total Harmonic distortion was equal to the 2252. In fact the 2238 is similar in performance in almost every way except for the higher watts per channel.

 

Marantz 2238 Parts

 

The layout inside the 2238 is organized and clean and the components used are top notch. There is also a 2238B model made by Marantz. The 2238B looks different on the outside. The balance control was moved from the slider in the middle of the face to a knob control next to the tone controls and the dial face changed from the black to white. Internally there are differences as well. Most claim that the 2238 is the better built receiver.

 

Marantz Ad Conan

 

You can't really go wrong with a good Marantz receiver and the 2238 is no exception. It's well built, sounds great and looks good too. If you find one and have it restored you'll have a both a fine hi fidelity receiver and a good investment. You can find a really nice Marantz 2238 for $300 to $450.

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Yamaha CR-600

Yamaha CR-600

 

The clean and orderly Yamaha CR-600 was a mid range offering from Yamaha from around 1973 until about 1976. It retailed for $460.00 and incorporates Yamaha's signature Natural Sound technology and is known for a detailed and accurate sound.

 

Yamaha CR-600 Knobs

 

This era of Yamaha's has a subtle futuristic look to them with the brushed aluminum face and linear, orderly placement of the knobs and switches. In a dark room the big rectangular dial lens lights up but not too much to be distracting. The rest of the dial face does not have lighting. Both meters are lit. Original replacement bulbs are not easy to find but many have had success with Mouser part # 606-CM2182. They do require some soldering or can be spliced into the existing leads.

 

Yamaha CR-600 Lit

 

The CR-600 produces 30 watts per channel though many have bench tested them at around 40 watts per channel so they are most likely under rated.  It has Mic and Headphone jacks on the front panel next to the big rectangular speaker switch.

 

Yamaha CR-600 Switch

 

There is also a Signal Strength meter and Tuning meter. The knobs control Mic Volume, Bass, Treble, Loudness and Volume. The Volume knob is a dual control and adjusts Balance as well.

The switches control Low Filter, High Filter, Mode and Tape A + B. Interestingly the red AFC/Station light (and AFC circuit I presume) will go out when you touch the tuning dial and come back on when you let go.

 

Yamaha CR-600 Lamps

 

The back panel has two sets of phono inputs and an Aux input as well. It also has a Pre-out and Main as well as two sets of speaker outputs.

 

Yamaha CR-600 Inputs

 

The older Yamaha's were built exceptionally well and the x00 and xx20 models used discrete transistors instead of the power packs that plagued later models (xx40). The CR-600 and CR-800 use the same Alps tuning head which is a high quality and very sensitive tuner.  It measure 18-3/4" x 6-1/4" x 11-3/4" and weighs in at about 27.5 lbs.

 

Yamaha CR-600 Parts

 

Yamaha receivers are very popular with vintage audio enthusiasts and prices reflect that. Still, the Yamaha CR-600 can be had for a reasonable price. With its basic features and superior performance it makes an excellent stereo for building a vintage system around. A CR-600 in nice working condition can be had for around $150 to $200.

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