YAMAHANS10SpecsComparisonChart:NS-10MPROSTUDIOMCMXMT

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  NS-10M NS-10M PRO NS-10M STUDIO NS-10MC NS-10MX NS-10MT
Year 1978 1987 1987 1987 1993 1995
Bass driver 18cm woofer JA1801 (JA180100) JA1801(or JA1801A / XN542AA1)? *** LF: JA1801(A?) 18cm (7") cone LF: JA1801(A?) 18cm (7") cone 18cm cone woofer 18cm cone woofer
High driver JA0518 soft dome tweeter JA0518A 3.5cm 1-3/8" soft dome HF: JA0518A 3.5cm 1-3/8" soft dome HF: JA0518A 3.5cm 1-3/8" soft dome 3.5cm dome tweeter 3cm dome tweeter
Crossover frequency 2Khz (12dB/octave) 2Khz (12dB/octave) 2Khz (12dB/octave) 2Khz 2Khz (12dB/octave) 2kHz(-12dB/oct)
Frequency response Max 85Hz 60Hz - 20Khz 60Hz - 20Khz 60Hz - 20Khz 60Hz...20Khz 43Hz - 30Khz (-10dB) (43Hz - 20Khz)
Nominal impedance 8 Ohm 9 Ohm 8 Ohm 8 Ohm 8 Ohm [6 Ohm?] 6 Ohm
Nominal power input 25W 60W 60W 60W 60W 60W
Maximum power input 50W 120W 120W 120W 120W [180W?] **** 180W
SPL (sensitivity) 90 dB/m-W 90 dB/W/m 90dB (1W, 1m on axis) 90dB (1W, 1m on axis) 90 dB/W/m 90dB/W/m
Dimensions (metric) 382(H) x 215(W) x 199(D)mm 21.5 x 38.2 x 19.9cm 382 x 215 x 198mm 381.5mm x 215mm x 200.5mm 21.5 x 38.2 x 19.9cm 215mm x 382mm x x 255mm
(imperial) 15" x 8-1/2" x 7-4/5" 8-7/16" x 15-1/16" x 7-13/16" 15" x 8-1/2" x 7-7/8" 15" x 8.5" x 7.9" 8-7/16" x 15-1/16" x 7-13/16" 8-7/16" x 15" x 10"
Enclosure Comments 10.4 liter, sealed Real wood, black finish 10.4 liter, sealed 10.4 liter, acoustic-suspension Magnetic shielding type (EIAJ) Bass reflex system, Magnetically Shielded
Weight (1 speaker) 6kg (13lbs 4oz) 6kg (13lbs 4oz) 6.3 kg (13lbs 14oz) 6.5kg (14lbs 5oz) 7kg (15lbs 6oz) 9kg (20lbs ) [7kg]
Placement Verticle, bookshelf Verticle, bookshelf Horizontal, bookshelf Horizontal, mounted Verticle, bookshelf Verticle, mounted
List price* (pair) 50,000 (≈$1050, 1978) 55,000 (≈$770, 1987) 51,200 (≈$720, 1987) 60,000 (≈$840, 1987) 67,200 (≈$740, 1993) 71,400 (≈790, 1996) (but sold individually)
Current price** (pair) $350-550 $500-800 $500-800 $500-800 $700-900 $600-700
*Approximate yen dollar conversion rates in relevant years: **2014 approximate 2nd hand price in US$, observed from various completed online bids. Your own results may vary. Read the buying guide for more info.
1978 10,000 ≈ US$210 ~ Some people sell directly from Japan where the speakers are cheaper and meticulously maintained, but shipping them is expensive.
1987 10,000 ≈ US$140 ~ NS-10M are the oldest model and price range is large depending on condition.
1993 10,000 ≈ US$110 ~ MT's were the only model sold individually, (for 36000 yen each) and thus do not come in matching pairs.
1996 10,000 ≈ US$110
2014 10,000 ≈ US$100 *** It appears that the two woofers models are interchangable. However the JA1801A (XN542AA1) cost more than the JA1801. I'm trying to find out why.
**** One official YAMAHA spec sheet lists the MX with 180W max input, but I have never seen these in reality.
 
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