Flat Rock HiFi Lounge collection
Complete list of our collection as of 7/23/2025
(*NLA = No Longer Available)
RECEIVERS:
Project/One Mark 800 receiver ('78-'81) 80 WPC
Nikko NR-819 receiver ('79-'84) 45 WPC
Sansui 4000 receiver ('69-'72) 45 WPC
Sansui QRX-3500 2/4 receiver ('73-'74) 22 WPC
Pioneer SX-1980 receiver ('78-'80) 270 WPC
Pioneer SX-850 receiver ('78-'80) 65 WPC
*Marantz 4300 receiver ('72-'78) 100 WPC (WC-43 case) NLA
*Carver MXR-130 "The Receiver" (1983) 130 WPC NLA
Luxman R-1050 ('77-'80) 50 WPC
*McIntosh Mac-1900 ('72-'75) 55 WPC NLA
Sony STR-6046A ('71-'74) 22 WPC
Marantz 2215 ('73-'77) 15 WPC (champagne engraved faceplate)
Marantz 2225 ('76-'77) 25 WPC
Marantz 2220B ('74-'77) 20 WPC
Marantz 2010 ('72-'73) 10 WPC
*Marantz 2015 ('74-'75) 5-button model NLA
Reference 085R (1978) 8.5 WPC (very rare)
NAD 7250PE receiver/preamp (Mid 80's) 50 WPC
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SEPARATES: (amps / integrateds / preamps / tuners)
JVC SA-S55 integrated amp ('77-'79) 60 WPC
Pioneer SA-7700 integrated amp ('72-'75) 60 WPC
Phase Linear 400 amp ('72-'77) 200 WPC
Phase Linear 4000 preamp ('76-'78)
Technics SU-7100 integrated amp ('78-'79) 35 WPC (custom wood)
Technics ST-7300 stereo tuner (custom wood)
Yamaha C6 stereo preamp ('80-'82)
Tandberg 3002 control amp / preamp (1980)
Tandberg 3003 power amp (1980) 150 WPC
Tandberg 3001 FM tuner (1980)
Mitsubishi DA-A7DC power amp (1976) 75 WPC
Mitsubishi DA-M10 meters
Mitsubishi C-20DC tuner/preamp (1976)
*Pioneer Reference A-717 integrated amp ('87-'89) 100 WPC NLA
Kenwood KA-7100 integrated amp ('77-'79) 80 WPC @
Kenwood Supreme 600T (aka KT-9700) stereo tuner ('76-'78)
Hafler DH-200 amp ('79-'82) 100 WPC
Hafler DH-110 preamp ('80-'89)
McIntosh C-33 preamp ('81-'85) (with Panlock case + extras)
*Model 0811-1 (Mr LIANG) tube integrated amp (2011) 50 WPC Class A
NLA
Carver M-1.01 power amp (1986) 200 WPC
Carver M-1.5T power amp ('80's) 350 WPC
Moscode Minuet tube preamp (mid 80's)
Phase Linear 2000 stereo console preamp (1986)
Marantz 1060 integrated amp (1975) 30 WPC
Marantz 115 tuner ('73-'74)
Carver TFM-35 power amp ('92-'93) 380 WPC
Nikko Beta 20 preamp ('81-'84)
Adcom GFA-545-II power amp ('91-'92) 100 WPC
Adcom 5400 power amp ('97-'07) 200 WPC @ 4 ohms
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SPEAKERS:
B&W CDM-1NT (England, mid-90's)
Pioneer CS-77A (1971)
AR TSW-210 ('91-'92) refoamed
JBL LX55 ('87-'92) refoamed
JBL L-10CS subwoofer (2023) walnut (new)
Genesis Technologies APM-1 ('91-'99) rosewood
Gallo Acoustics Reference Strada II (2011) with floor stands & factory boxes
Axiom VaSSalo Series (M60 V2 / VP150-V2 / QS8-V2) ('06-'10) cherry
Altec Lansing Segovia ('71-'76) walnut
Klipsch KG 1.5 ('94-'97)
Klipsch KG 3.5 ('94-'97)
*Magnepan MMG ('97-'01) NLA
Mordaunt-Short MS-20i ('87-'99) walnut
*Gallo Nucleus Reference (1994) extremely rare NLA
Siefert Research Maxim III-H (1985) H=hybrid, mahogany
Siefert Research Maxim III (1985) walnut
*B&W Nautilus 805 ('98-'04) cherrywood NLA
Dali Spektor 2 (Denmark '18-'22) cherry
Fluance SX-6 (current) walnut
JBL 620 Studio 6 Series ('22-present) dark cherry
Monitor Silver RS-8 (2005) teak finish
Klipsch Chorus II ('90-'96)
Klipsch Reference Premier RP-160M ('12-'22)
*Polk Audio LS-70 ('93-'95) NLA
Boston Acoustics CR9 ('94-'96) walnut
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TURNTABLES:
Pioneer PL-41 ('69-'72)
Sansui SR-2050C ('72-'74) auto-up stop
*Dual CS-1237 (1977) NLA
Denon DP-45F ('82-'85) fully recapped & restored
Pro/Ject Elemental ('17-'23)
Thorens TD-145 ('75-'76)
Optonica RP-3636-MKii ('76-'78)
B&O Beogram TX2 ('85-'91) NOS MM3 stylus
Technics SL-23 (1976)
Sanyo Plus Q40 ('79-'81)
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TAPE/CD:
Rotel CD11 Tribute CD player (2022)
*TEAC A-6300 stereo reel-to-reel deck ('75-'79) NLA
Marantz 5025B stereo cassette deck ('77-'79) recapped, restored
Sony TC-229SD cassette deck ('76-'79) recapped, restored
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*See below for the featured vintage model of the month:
Optonica ST-3636MKii turntable
FEATURE OF THE MONTH
Optonica ST-3636MKii
Optonica ST-3636MKii
Exactly as it was when first produced in 1976 and in perfect cosmetic and operating condition, this very rare Optonica RP-3636MKii turntable is one of the most unique designs to come from Japan in the mid 70's.
The original Optonica branded headshell is fitted with a brand new Ortofon 2M Blue cartridge & stylus.
It was, without a doubt, the most notable Optonica product designed during their initial offerings of high end stereo gear was this magnificent direct-drive, manually operated turntable. It should be noted that while most prefer a turntable with some automatic functions, most of the time a manually operated turntable is the best.
Why?
All the design technology applied to the better manual turntables goes into the construction of the base, motor and tonearm. There are no additional mechanics to interfere and operate the movement of the arm or the auto start/stop functions. Pure and simple...that's what a manual unit does best.
Today, this incredibly hard to find turntable is sought after by collectors and audiophiles for obvious reasons.
Its unique construction is called "Mikage Granite Stone" which was developed by Optonica for use in turntable design. It is a compound of both granite and resin that virtually eliminates feedback thus preventing resonance (rumble) to reach the tonearm. Therefore, it's literally as "solid as a rock" because it's built on 15.8 pounds of that Mikage granite stone. Which means that vibrations from the speakers are absorbed, reducing acoustic feedback and maintaining maximum signal to noise ratio. A similar compound was later used by Kenwood for their KD-5xxx series of turntables, some of which are affectionately referred to as "The Rock".
The Optonica engineers were so concerned about resonance, they even added a unique round chrome weight attached to the rear top of the proprietary dust cover. This weight keeps the dust cover solidly flat (vibration free) on the granite base during play. The turntable itself is very heavy weighing in at 35.4 pounds.
The longer-than-normal tonearm is a copy of an excellent Shure Brothers arm. It is a very simple, very precise and highly sensitive S-shaped tonearm. Which means that the stylus will pick up subtle sound signals as accurately as the cutter stylus that recorded them. The arm design also includes an oil-damped cueing control that gently lifts and lowers the tonearm. This composite metal tonearm was made strictly for the 3636 MKii. Notably, the direct-drive motor is the finest that they could create at that time.
Because there are output jacks on the back, you can pick and choose your own audio cables...another major plus on this very fine audiophile grade turntable.
Specs:
Motor: 6-pole AC Servo motor with 72-pole FG servo mechanism
Drive system: direct drive
Speeds: 33 and 45rpm
Speed control range: within +-4%
Wow and flutter: less than 0.05% WRMS
Rumble: better than 68dB
Platter: 12" aluminium die-cast with strobe marks
Cartridge weight range: 4 to 18g
Dimensions: 19.75"W x 7.5"H x 16.25"D"
Weight: 35.5 lbs
About OPTONICA (Sharp Electronics of Japan)...
The Optonica brand was created and first launched by Sharp in 1976 as a separate high-end brand to compete directly with Pioneer, Technics (Panasonic), Fisher, Marantz, Nakamichi, Sansui, Kenwood and Sony. Sharp Electronics Corporation of Japan was founded in 1912 and takes its name from one of its founder’s first invention, the "Ever-Sharp" mechanical pencil. Obviously, they also designed and sold much more over the years. By the mid-70's their electronic equipment (mostly gadget oriented items sold in catalogs and department stores) was well situated in the USA. Major decisions were made to move into the select high-end stereo component market. They absolutely hit a home run with their Optonica lineup. Unique, powerful and definitely well built, they are now very well known and commanding prices approaching the better Marantz and Pioneer units.
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