transistor-driven amplifiers!!

Expert replies

gmat_perfect: Legendary Member; Posts: 1083; Joined: Wed Feb 24, 2010 9:38 pmFollowed by: 14 members; Thanked: 127 times

by gmat_perfect » Mon Jul 05, 2010 10:37 am

Although they are more temperamental and far more expensive than transistor-driven amplifiers, many audiophiles and audio professionals prefer the warmer, richer tones produced by vacuum-tube-driven amplifiers.

(A) many audiophiles and audio professionals prefer the warmer, richer tones produced by vacuum-tube-driven amplifiers
(B) many audiophiles and audio professionals think the warmer, richer tones produced by vacuum-tube-driven amplifiers make them preferable
(C) warmer, richer tones are produced by vacuum-tube-driven amplifiers and they are thus preferred by many audiophiles and audio professionals
(D) vacuum-tube-driven amplifiers are preferred because they produce warmer, richer tones by many audiophiles and audio professionals
(E) vacuum-tube-driven amplifiers are preferred by many audiophiles and audio professionals because these amplifiers produce warmer, richer tones

Experts, please explain every option.

What is the exact grammatical issue in this SC?
Thanks.

Source: Beat The GMAT — Sentence Correction | Mon Jul 05, 2010 10:37 am

hardik.jadeja: Legendary Member; Posts: 535; Joined: Fri Jun 08, 2007 2:12 amFollowed by: 5 members; Thanked: 87 times; GMAT Score:730

by hardik.jadeja » Mon Jul 05, 2010 10:56 am

IMO E.

A) "transistor-driven amplifiers" is compared to "the warmer, richer tones " - incorrect comparison
B) Changes the meaning because of the use of the word "think" + "them" has no clear referent
C) "they" has no clear referent + awkward construction,
D) misplaced "by many audiophiles and audio professionals"

Hope that helps...

kvcpk: Legendary Member; Posts: 1893; Joined: Sun May 30, 2010 11:48 pmFollowed by: 7 members; Thanked: 215 times

by kvcpk » Mon Jul 05, 2010 10:59 am

A,B,C - misplaced modifier

D- "richer tones by many audiophiles and audio professionals " is awkward

E - looks perfect

hardik.jadeja: Legendary Member; Posts: 535; Joined: Fri Jun 08, 2007 2:12 amFollowed by: 5 members; Thanked: 87 times; GMAT Score:730

by hardik.jadeja » Mon Jul 05, 2010 11:07 am

kvcpk wrote:A,B,C - misplaced modifier

Just a small correction. Options A, B and C do not have misplaced modifier.

"Although they are more temperamental and far more expensive than transistor-driven amplifiers" is a Subordinate Clause, not a modifier.

For example, the following sentence is correct.

Although they are more temperamental and far more expensive than transistor-driven amplifiers, John prefers vacuum-tube-driven amplifiers because of their warmer, richer tones.

Hope that helps..

viju9162: Master | Next Rank: 500 Posts; Posts: 434; Joined: Mon Jun 11, 2007 9:48 pm; Location: Bangalore; Thanked: 6 times; GMAT Score:600

by viju9162 » Tue Jul 06, 2010 12:19 am

Nice explanation hardik.

thanks,
Viju

"Native of" is used for a individual while "Native to" is used for a large group

kvcpk: Legendary Member; Posts: 1893; Joined: Sun May 30, 2010 11:48 pmFollowed by: 7 members; Thanked: 215 times

by kvcpk » Tue Jul 06, 2010 3:03 am

hardik.jadeja wrote:
kvcpk wrote:A,B,C - misplaced modifier
Just a small correction. Options A, B and C do not have misplaced modifier.

"Although they are more temperamental and far more expensive than transistor-driven amplifiers" is a Subordinate Clause, not a modifier.

For example, the following sentence is correct.

Although they are more temperamental and far more expensive than transistor-driven amplifiers, John prefers vacuum-tube-driven amplifiers because of their warmer, richer tones.

Hope that helps..

Thanks Hardik for the correction..

samarpan_bschool: Master | Next Rank: 500 Posts; Posts: 106; Joined: Thu Dec 31, 2009 3:16 am; Thanked: 4 times; GMAT Score:700

by samarpan_bschool » Sun Aug 22, 2010 4:15 pm

kvcpk wrote:
hardik.jadeja wrote:
kvcpk wrote:A,B,C - misplaced modifier
Just a small correction. Options A, B and C do not have misplaced modifier.

"Although they are more temperamental and far more expensive than transistor-driven amplifiers" is a Subordinate Clause, not a modifier.

For example, the following sentence is correct.

Although they are more temperamental and far more expensive than transistor-driven amplifiers, John prefers vacuum-tube-driven amplifiers because of their warmer, richer tones.

Hope that helps..
Thanks Hardik for the correction..

kvcpk - bumping up this thread.

Normally the 'subject' pronoun in one main / subordinate clause refers to the 'subject' pronoun in the other main / subordinate clause.

Here 'They' is the pronoun in the subordinate clause. In A, B, and C it seems to refer to 'audio philes and audio listerners', thus making a wrong reference. This can be a reason to eliminate A, B, and C all in one go!

ankurmit: Legendary Member; Posts: 516; Joined: Mon Nov 02, 2009 6:42 amFollowed by: 1 member; Location: Mumbai; Thanked: 14 times; GMAT Score:710

by ankurmit » Sun Aug 22, 2010 8:37 pm

IMO E.

(E) Although they are more temperamental and far more expensive than transistor-driven amplifiers vacuum-tube-driven amplifiers are preferred by many audiophiles and audio professionals because these amplifiers produce warmer, richer tones.

Correct modifier used ..D and E

D looks awkward.

--------
Ankur mittal

kingfisher: Newbie | Next Rank: 10 Posts; Posts: 9; Joined: Wed Jan 06, 2010 1:29 am

by kingfisher » Sun Aug 22, 2010 9:47 pm

After the coma a subject is required which is amplifiers which is talked about in the initial clause and they has to refer to the subject.Correct subject is provided by D and E.and out of D and E D has awkward construction.

Kindly let me know if my reasonong is correct .

gmat_perfect: Legendary Member; Posts: 1083; Joined: Wed Feb 24, 2010 9:38 pmFollowed by: 14 members; Thanked: 127 times

by gmat_perfect » Mon Aug 23, 2010 10:20 am

kingfisher wrote:After the coma a subject is required which is amplifiers which is talked about in the initial clause and they has to refer to the subject.Correct subject is provided by D and E.and out of D and E D has awkward construction.

Kindly let me know if my reasonong is correct .

Your reasoning would be more flowing if you were saying that option D is awkward for the wrong position of the read portion.

(D) vacuum-tube-driven amplifiers are preferred because they produce warmer, richer tones by many audiophiles and audio professionals

Otherwise you are fine.

Thanks.

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